Merge pull request #17 from fgrehm/fix-rubygems-source

Remove bundler source warnings
Merge pull request #18 from fgrehm/test-against-ruby-2.0

Test gem against ruby 2.0.0 on travis
bu
removing legacy code
trying to fix travis
making the test code look prettier so @bzanchet stop complaining about it. related #19
solving OS specific issues. in a not *that cool* way
First stab at a standalone executable